-# Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+# Copyright (C) 2007-2019 CEA/DEN, EDF R&D, OPEN CASCADE
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
"""
Private method. Add geom (sub-shape of the main shape) into the study if not yet there
"""
+ if not mesh.smeshpyD.IsEnablePublish():
+ return
if not isinstance( geom, geomBuilder.GEOM._objref_GEOM_Object ):
return
if not geom.GetStudyEntry():
def Concatenate( self, meshes, uniteIdenticalGroups,
mergeNodesAndElements = False, mergeTolerance = 1e-5, allGroups = False,
- name = ""):
+ name = "", meshToAppendTo = None):
"""
- Concatenate the given meshes into one mesh. All groups of input meshes will be
- present in the new mesh.
+ Concatenate the given meshes into one mesh, optionally to meshToAppendTo.
+ All groups of input meshes will be present in the new mesh.
Parameters:
meshes: :class:`meshes, sub-meshes, groups or filters <SMESH.SMESH_IDSource>` to combine into one mesh
mergeTolerance: tolerance for merging nodes
allGroups: forces creation of groups corresponding to every input mesh
name: name of a new mesh
+ meshToAppendTo: a mesh to append all given meshes
Returns:
an instance of class :class:`Mesh`
+
+ See also:
+ :meth:`Mesh.Append`
"""
if not meshes: return None
- for i,m in enumerate(meshes):
- if isinstance(m, Mesh):
+ if not isinstance( meshes, list ):
+ meshes = [ meshes ]
+ for i,m in enumerate( meshes ):
+ if isinstance( m, Mesh ):
meshes[i] = m.GetMesh()
- mergeTolerance,Parameters,hasVars = ParseParameters(mergeTolerance)
- meshes[0].SetParameters(Parameters)
+ mergeTolerance,Parameters,hasVars = ParseParameters( mergeTolerance )
+ if hasattr(meshes[0], "SetParameters"):
+ meshes[0].SetParameters( Parameters )
+ else:
+ meshes[0].GetMesh().SetParameters( Parameters )
+ if isinstance( meshToAppendTo, Mesh ):
+ meshToAppendTo = meshToAppendTo.GetMesh()
if allGroups:
aSmeshMesh = SMESH._objref_SMESH_Gen.ConcatenateWithGroups(
- self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
+ self,meshes,uniteIdenticalGroups,mergeNodesAndElements,
+ mergeTolerance,meshToAppendTo )
else:
aSmeshMesh = SMESH._objref_SMESH_Gen.Concatenate(
- self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
- aMesh = Mesh(self, self.geompyD, aSmeshMesh, name=name)
+ self,meshes,uniteIdenticalGroups,mergeNodesAndElements,
+ mergeTolerance,meshToAppendTo )
+
+ aMesh = Mesh( self, self.geompyD, aSmeshMesh, name=name )
return aMesh
def CopyMesh( self, meshPart, meshName, toCopyGroups=False, toKeepIDs=False):
an instance of class :class:`Mesh`
"""
- if (isinstance( meshPart, Mesh )):
+ if isinstance( meshPart, Mesh ):
meshPart = meshPart.GetMesh()
mesh = SMESH._objref_SMESH_Gen.CopyMesh( self,meshPart,meshName,toCopyGroups,toKeepIDs )
return Mesh(self, self.geompyD, mesh)
+ def CopyMeshWithGeom( self, sourceMesh, newGeom, meshName="", toCopyGroups=True,
+ toReuseHypotheses=True, toCopyElements=True):
+ """
+ Create a mesh by copying a mesh definition (hypotheses and groups) to a new geometry.
+ It is supposed that the new geometry is a modified geometry of *sourceMesh*.
+ To facilitate and speed up the operation, consider using
+ "Set presentation parameters and sub-shapes from arguments" option in
+ a dialog of geometrical operation used to create the new geometry.
+
+ Parameters:
+ sourceMesh: the mesh to copy definition of.
+ newGeom: the new geomtry.
+ meshName: an optional name of the new mesh. If omitted, the mesh name is kept.
+ toCopyGroups: to create groups in the new mesh.
+ toReuseHypotheses: to reuse hypotheses of the *sourceMesh*.
+ toCopyElements: to copy mesh elements present on non-modified sub-shapes of
+ *sourceMesh*.
+ Returns:
+ tuple ( ok, newMesh, newGroups, newSubMeshes, newHypotheses, invalidEntries )
+ *invalidEntries* are study entries of objects whose
+ counterparts are not found in the *newGeom*, followed by entries
+ of mesh sub-objects that are invalid because they depend on a not found
+ preceeding sub-shape
+ """
+ if isinstance( sourceMesh, Mesh ):
+ sourceMesh = sourceMesh.GetMesh()
+
+ ok, newMesh, newGroups, newSubMeshes, newHypotheses, invalidEntries = \
+ SMESH._objref_SMESH_Gen.CopyMeshWithGeom( self, sourceMesh, newGeom, meshName,
+ toCopyGroups,
+ toReuseHypotheses,
+ toCopyElements)
+ return ( ok, Mesh(self, self.geompyD, newMesh),
+ newGroups, newSubMeshes, newHypotheses, invalidEntries )
+
def GetSubShapesId( self, theMainObject, theListOfSubObjects ):
"""
Return IDs of sub-shapes
functor = aFilterMgr.CreateLength()
elif theCriterion == FT_Length2D:
functor = aFilterMgr.CreateLength2D()
+ elif theCriterion == FT_Length3D:
+ functor = aFilterMgr.CreateLength3D()
elif theCriterion == FT_Deflection2D:
functor = aFilterMgr.CreateDeflection2D()
elif theCriterion == FT_NodeConnectivityNumber:
def GetMeshInfo(self, obj):
"""
Get the mesh statistic.
- Use :meth:`smeshBuilder.EnumToLong` to get an integer from
- an item of :class:`SMESH.EntityType`.
Returns:
dictionary { :class:`SMESH.EntityType` - "count of elements" }
def GetGravityCenter(self, obj):
"""
- Get gravity center of all nodes of the mesh object.
+ Get gravity center of all nodes of a mesh object.
Parameters:
obj: :class:`mesh, sub-mesh, group or filter <SMESH.SMESH_IDSource>`
Returns:
- Three components of the gravity center (x,y,z)
+ Three components of the gravity center (x,y,z)
+
+ See also:
+ :meth:`Mesh.BaryCenter`
"""
if isinstance(obj, Mesh): obj = obj.mesh
if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
aMeasurements.UnRegister()
return pointStruct.x, pointStruct.y, pointStruct.z
+ def GetAngle(self, p1, p2, p3 ):
+ """
+ Computes a radian measure of an angle defined by 3 points: <(p1,p2,p3)
+
+ Parameters:
+ p1,p2,p3: coordinates of 3 points defined by either SMESH.PointStruct
+ or list [x,y,z]
+
+ Returns:
+ Angle in radians
+ """
+ if isinstance( p1, list ): p1 = PointStruct(*p1)
+ if isinstance( p2, list ): p2 = PointStruct(*p2)
+ if isinstance( p3, list ): p3 = PointStruct(*p3)
+
+ aMeasurements = self.CreateMeasurements()
+ angle = aMeasurements.Angle(p1,p2,p3)
+ aMeasurements.UnRegister()
+
+ return angle
+
+
pass # end of class smeshBuilder
import omniORB
return self.mesh
+ def GetEngine(self):
+ """
+ Return a smeshBuilder instance created this mesh
+ """
+ return self.smeshpyD
+
+ def GetGeomEngine(self):
+ """
+ Return a geomBuilder instance
+ """
+ return self.geompyD
+
def GetName(self):
"""
Get the name of the mesh
If *autoDimension* is *False*, the space dimension is always 3.
fields: list of GEOM fields defined on the shape to mesh.
geomAssocFields: each character of this string means a need to export a
- corresponding field; correspondence between fields and characters is following:
- - 'v' stands for "_vertices _" field;
- - 'e' stands for "_edges _" field;
- - 'f' stands for "_faces _" field;
- - 's' stands for "_solids _" field.
+ corresponding field; correspondence between fields and characters
+ is following:
+
+ - 'v' stands for "_vertices_" field;
+ - 'e' stands for "_edges_" field;
+ - 'f' stands for "_faces_" field;
+ - 's' stands for "_solids_" field.
+
+ zTolerance (float): tolerance in Z direction. If Z coordinate of a node is
+ close to zero within a given tolerance, the coordinate is set to zero.
+ If *ZTolerance* is negative (default), the node coordinates are kept as is.
"""
# process positional arguments
#args = [i for i in args if i not in [SMESH.MED_V2_1, SMESH.MED_V2_2]] # backward compatibility
autoDimension = args[5] if len(args) > 5 else True
fields = args[6] if len(args) > 6 else []
geomAssocFields = args[7] if len(args) > 7 else ''
+ z_tolerance = args[8] if len(args) > 8 else -1.
# process keywords arguments
auto_groups = kwargs.get("auto_groups", auto_groups)
minor = kwargs.get("minor", minor)
autoDimension = kwargs.get("autoDimension", autoDimension)
fields = kwargs.get("fields", fields)
geomAssocFields = kwargs.get("geomAssocFields", geomAssocFields)
+ z_tolerance = kwargs.get("zTolerance", z_tolerance)
+
# invoke engine's function
- if meshPart or fields or geomAssocFields:
+ if meshPart or fields or geomAssocFields or z_tolerance > 0:
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
+
+ z_tolerance,Parameters,hasVars = ParseParameters(z_tolerance)
+ self.mesh.SetParameters(Parameters)
+
self.mesh.ExportPartToMED( meshPart, fileName, auto_groups, minor, overwrite, autoDimension,
- fields, geomAssocFields)
+ fields, geomAssocFields, z_tolerance)
else:
self.mesh.ExportMED(fileName, auto_groups, minor, overwrite, autoDimension)
minor = -1
# invoke engine's function
self.mesh.ExportMED(fileName, auto_groups, minor, overwrite, autoDimension)
+ return
+
+
+ def Append(self, meshes, uniteIdenticalGroups = True,
+ mergeNodesAndElements = False, mergeTolerance = 1e-5, allGroups = False):
+ """
+ Append given meshes into this mesh.
+ All groups of input meshes will be created in this mesh.
+
+ Parameters:
+ meshes: :class:`meshes, sub-meshes, groups or filters <SMESH.SMESH_IDSource>` to append
+ uniteIdenticalGroups: if True, groups with same names are united, else they are renamed
+ mergeNodesAndElements: if True, equal nodes and elements are merged
+ mergeTolerance: tolerance for merging nodes
+ allGroups: forces creation of groups corresponding to every input mesh
+ """
+ self.smeshpyD.Concatenate( meshes, uniteIdenticalGroups,
+ mergeNodesAndElements, mergeTolerance, allGroups,
+ meshToAppendTo = self.GetMesh() )
# Operations with groups:
# ----------------------
Create a standalone group of entities basing on nodes of other groups.
Parameters:
- groups: list of reference :class:`sub-meshes, groups or filters <SMESH.SMESH_IDSource>`, of any type.
+ groups: list of :class:`sub-meshes, groups or filters <SMESH.SMESH_IDSource>`, of any type.
elemType: a type of elements to include to the new group; either of
(SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
name: a name of the new group.
groups = [groups]
return self.mesh.CreateDimGroup(groups, elemType, name, nbCommonNodes, underlyingOnly)
+ def FaceGroupsSeparatedByEdges( self, sharpAngle, createEdges=False, useExistingEdges=False ):
+ """
+ Distribute all faces of the mesh among groups using sharp edges and optionally
+ existing 1D elements as group boundaries.
+
+ Parameters:
+ sharpAngle: edge is considered sharp if an angle between normals of
+ adjacent faces is more than \a sharpAngle in degrees.
+ createEdges (boolean): to create 1D elements for detected sharp edges.
+ useExistingEdges (boolean): to use existing edges as group boundaries
+ Returns:
+ ListOfGroups - the created :class:`groups <SMESH.SMESH_Group>`
+ """
+ sharpAngle,Parameters,hasVars = ParseParameters( sharpAngle )
+ self.mesh.SetParameters(Parameters)
+ return self.mesh.FaceGroupsSeparatedByEdges( sharpAngle, createEdges, useExistingEdges );
def ConvertToStandalone(self, group):
"""
def GetMeshInfo(self, obj = None):
"""
Get the mesh statistic.
- Use :meth:`smeshBuilder.EnumToLong` to get an integer from
- an item of :class:`SMESH.EntityType`.
Returns:
dictionary { :class:`SMESH.EntityType` - "count of elements" }
return self.mesh.GetNodeXYZ(id)
- def GetNodeInverseElements(self, id):
+ def GetNodeInverseElements(self, id, elemType=SMESH.ALL):
"""
Return list of IDs of inverse elements for the given node.
If there is no node for the given ID - return an empty list
+ Parameters:
+ id: node ID
+ elementType: :class:`type of elements <SMESH.ElementType>` (SMESH.EDGE, SMESH.FACE, SMESH.VOLUME, etc.)
+
Returns:
list of integer values
"""
- return self.mesh.GetNodeInverseElements(id)
+ return self.mesh.GetNodeInverseElements(id,elemType)
def GetNodePosition(self,NodeID):
"""
Returns:
a list of three double values
+
+ See also:
+ :meth:`smeshBuilder.GetGravityCenter`
"""
return self.mesh.BaryCenter(id)
- def GetIdsFromFilter(self, theFilter):
+ def GetIdsFromFilter(self, filter, meshParts=[] ):
"""
Pass mesh elements through the given filter and return IDs of fitting elements
Parameters:
- theFilter: :class:`SMESH.Filter`
+ filter: :class:`SMESH.Filter`
+ meshParts: list of mesh parts (:class:`sub-mesh, group or filter <SMESH.SMESH_IDSource>`) to filter
Returns:
a list of ids
See Also:
:meth:`SMESH.Filter.GetIDs`
+ :meth:`SMESH.Filter.GetElementsIdFromParts`
"""
- theFilter.SetMesh( self.mesh )
- return theFilter.GetIDs()
+ filter.SetMesh( self.mesh )
+
+ if meshParts:
+ if isinstance( meshParts, Mesh ):
+ filter.SetMesh( meshParts.GetMesh() )
+ return theFilter.GetIDs()
+ if isinstance( meshParts, SMESH._objref_SMESH_IDSource ):
+ meshParts = [ meshParts ]
+ return filter.GetElementsIdFromParts( meshParts )
+
+ return filter.GetIDs()
# Get mesh measurements information:
# ------------------------------------
isElem2: *True* if *id2* is element id, *False* if it is node id
Returns:
- minimum distance value **GetMinDistance()**
+ minimum distance value
+ See Also:
+ :meth:`GetMinDistance`
"""
aMeasure = self.GetMinDistance(id1, id2, isElem1, isElem2)
the ID of a node
"""
- #preview = self.mesh.GetMeshEditPreviewer()
- #return preview.MoveClosestNodeToPoint(x, y, z, -1)
return self.editor.FindNodeClosestTo(x, y, z)
def FindElementsByPoint(self, x, y, z, elementType = SMESH.ALL, meshPart=None):
else:
return self.editor.FindElementsByPoint(x, y, z, elementType)
+ def ProjectPoint(self, x,y,z, elementType, meshObject=None):
+ """
+ Project a point to a mesh object.
+ Return ID of an element of given type where the given point is projected
+ and coordinates of the projection point.
+ In the case if nothing found, return -1 and []
+ """
+ if isinstance( meshObject, Mesh ):
+ meshObject = meshObject.GetMesh()
+ if not meshObject:
+ meshObject = self.GetMesh()
+ return self.editor.ProjectPoint( x,y,z, elementType, meshObject )
+
def GetPointState(self, x, y, z):
"""
Return point state in a closed 2D mesh in terms of TopAbs_State enumeration:
return self.editor.IsCoherentOrientation2D()
+ def Get1DBranches( self, edges, startNode = 0 ):
+ """
+ Partition given 1D elements into groups of contiguous edges.
+ A node where number of meeting edges != 2 is a group end.
+ An optional startNode is used to orient groups it belongs to.
+
+ Returns:
+ A list of edge groups and a list of corresponding node groups,
+ where the group is a list of IDs of edges or elements, like follows
+ [[[branch_edges_1],[branch_edges_2]], [[branch_nodes_1],[branch_nodes_2]]].
+ If a group is closed, the first and last nodes of the group are same.
+ """
+ if isinstance( edges, Mesh ):
+ edges = edges.GetMesh()
+ unRegister = genObjUnRegister()
+ if isinstance( edges, list ):
+ edges = self.GetIDSource( edges, SMESH.EDGE )
+ unRegister.set( edges )
+ return self.editor.Get1DBranches( edges, startNode )
+
+ def FindSharpEdges( self, angle, addExisting=False ):
+ """
+ Return sharp edges of faces and non-manifold ones.
+ Optionally add existing edges.
+
+ Parameters:
+ angle: angle (in degrees) between normals of adjacent faces to detect sharp edges
+ addExisting: to return existing edges (1D elements) as well
+
+ Returns:
+ list of FaceEdge structures
+ """
+ angle = ParseParameters( angle )[0]
+ return self.editor.FindSharpEdges( angle, addExisting )
+
def MeshToPassThroughAPoint(self, x, y, z):
"""
Find the node closest to a point and moves it to a point location
Parameters:
IDsOfElements: the faces to be splitted
- Diag13: is used to choose a diagonal for splitting.
+ Diag13 (boolean): is used to choose a diagonal for splitting.
Returns:
True in case of success, False otherwise.
Parameters:
theObject: the object from which the list of elements is taken,
this is :class:`mesh, sub-mesh, group or filter <SMESH.SMESH_IDSource>`
- Diag13: is used to choose a diagonal for splitting.
+ Diag13 (boolean): is used to choose a diagonal for splitting.
Returns:
True in case of success, False otherwise.
groups: list of :class:`sub-meshes, groups or filters <SMESH.SMESH_IDSource>` of elements to make boundary around
Returns:
- tuple( long, mesh, groups )
+ tuple( long, mesh, group )
- long - number of added boundary elements
- mesh - the :class:`Mesh` where elements were added to
- group - the :class:`group <SMESH.SMESH_Group>` of boundary elements or None
NbOfSteps, Tolerance, MakeGroups, TotalAngle)
def ExtrusionSweepObjects(self, nodes, edges, faces, StepVector, NbOfSteps, MakeGroups=False,
- scaleFactors=[], linearVariation=False, basePoint=[] ):
+ scaleFactors=[], linearVariation=False, basePoint=[],
+ angles=[], anglesVariation=False):
"""
Generate new elements by extrusion of the given elements and nodes
NbOfSteps: the number of steps
MakeGroups: forces the generation of new groups from existing ones
scaleFactors: optional scale factors to apply during extrusion
- linearVariation: if *True*, scaleFactors are spread over all *scaleFactors*,
- else scaleFactors[i] is applied to nodes at the i-th extrusion step
- basePoint: optional scaling center; if not provided, a gravity center of
+ linearVariation: if *True*, *scaleFactors* are spread over all *NbOfSteps*,
+ else *scaleFactors* [i] is applied to nodes at the i-th extrusion step
+ basePoint: optional scaling and rotation center; if not provided, a gravity center of
nodes and elements being extruded is used as the scaling center.
It can be either
- a list of tree components of the point or
- a node ID or
- a GEOM point
+ angles: list of angles in radians. Nodes at each extrusion step are rotated
+ around *basePoint*, additionally to previous steps.
+ anglesVariation: forces the computation of rotation angles as linear
+ variation of the given *angles* along path steps
Returns:
the list of created :class:`groups <SMESH.SMESH_GroupBase>` if *MakeGroups* == True, empty list otherwise
basePoint = self.geompyD.PointCoordinates( basePoint )
NbOfSteps,Parameters,hasVars = ParseParameters(NbOfSteps)
- Parameters = StepVector.PS.parameters + var_separator + Parameters
+ scaleFactors,scaleParameters,hasVars = ParseParameters(scaleFactors)
+ angles,angleParameters,hasVars = ParseAngles(angles)
+ Parameters = StepVector.PS.parameters + var_separator + \
+ Parameters + var_separator + \
+ scaleParameters + var_separator + angleParameters
self.mesh.SetParameters(Parameters)
return self.editor.ExtrusionSweepObjects( nodes, edges, faces,
- StepVector, NbOfSteps,
+ StepVector, NbOfSteps, MakeGroups,
scaleFactors, linearVariation, basePoint,
- MakeGroups)
+ angles, anglesVariation )
def ExtrusionSweep(self, IDsOfElements, StepVector, NbOfSteps, MakeGroups=False, IsNodes = False):
return self.editor.AdvancedExtrusion(IDsOfElements, StepVector, NbOfSteps,
ExtrFlags, SewTolerance, MakeGroups)
- def ExtrusionAlongPathObjects(self, Nodes, Edges, Faces, PathMesh, PathShape=None,
+ def ExtrusionAlongPathObjects(self, Nodes, Edges, Faces, PathObject, PathShape=None,
NodeStart=1, HasAngles=False, Angles=[], LinearVariation=False,
- HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False):
+ HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False,
+ ScaleFactors=[], ScalesVariation=False):
"""
Generate new elements by extrusion of the given elements and nodes along the path.
The path of extrusion must be a meshed edge.
Nodes: nodes to extrude: a list including ids, :class:`a mesh, sub-meshes, groups or filters <SMESH.SMESH_IDSource>`
Edges: edges to extrude: a list including ids, :class:`a mesh, sub-meshes, groups or filters <SMESH.SMESH_IDSource>`
Faces: faces to extrude: a list including ids, :class:`a mesh, sub-meshes, groups or filters <SMESH.SMESH_IDSource>`
- PathMesh: 1D mesh or 1D sub-mesh, along which proceeds the extrusion
- PathShape: shape (edge) defines the sub-mesh of PathMesh if PathMesh
- contains not only path segments, else it can be None
+ PathObject: :class:`mesh, sub-mesh, group or filter <SMESH.SMESH_IDSource>` containing edges along which proceeds the extrusion
+ PathShape: optional shape (edge or wire) which defines the sub-mesh of the mesh defined by *PathObject* if the mesh contains not only path segments, else it can be None
NodeStart: the first or the last node on the path. Defines the direction of extrusion
- HasAngles: allows the shape to be rotated around the path
- to get the resulting mesh in a helical fashion
- Angles: list of angles
+ HasAngles: not used obsolete
+ Angles: list of angles in radians. Nodes at each extrusion step are rotated
+ around *basePoint*, additionally to previous steps.
LinearVariation: forces the computation of rotation angles as linear
variation of the given Angles along path steps
HasRefPoint: allows using the reference point
- RefPoint: the reference point around which the shape is rotated (the mass center of the
- shape by default). The User can specify any point as the Reference Point.
+ RefPoint: optional scaling and rotation center (mass center of the extruded
+ elements by default). The User can specify any point as the Reference Point.
*RefPoint* can be either GEOM Vertex, [x,y,z] or :class:`SMESH.PointStruct`
MakeGroups: forces the generation of new groups from existing ones
+ ScaleFactors: optional scale factors to apply during extrusion
+ ScalesVariation: if *True*, *scaleFactors* are spread over all *NbOfSteps*,
+ else *scaleFactors* [i] is applied to nodes at the i-th extrusion step
Returns:
list of created :class:`groups <SMESH.SMESH_GroupBase>` and
if isinstance( RefPoint, list ):
if not RefPoint: RefPoint = [0,0,0]
RefPoint = SMESH.PointStruct( *RefPoint )
- if isinstance( PathMesh, Mesh ):
- PathMesh = PathMesh.GetMesh()
+ if isinstance( PathObject, Mesh ):
+ PathObject = PathObject.GetMesh()
Angles,AnglesParameters,hasVars = ParseAngles(Angles)
- Parameters = AnglesParameters + var_separator + RefPoint.parameters
+ ScaleFactors,ScalesParameters,hasVars = ParseParameters(ScaleFactors)
+ Parameters = AnglesParameters + var_separator + \
+ RefPoint.parameters + var_separator + ScalesParameters
self.mesh.SetParameters(Parameters)
return self.editor.ExtrusionAlongPathObjects(Nodes, Edges, Faces,
- PathMesh, PathShape, NodeStart,
+ PathObject, PathShape, NodeStart,
HasAngles, Angles, LinearVariation,
- HasRefPoint, RefPoint, MakeGroups)
+ HasRefPoint, RefPoint, MakeGroups,
+ ScaleFactors, ScalesVariation)
def ExtrusionAlongPathX(self, Base, Path, NodeStart,
HasAngles=False, Angles=[], LinearVariation=False,
Base: :class:`mesh, sub-mesh, group, filter <SMESH.SMESH_IDSource>`, or list of ids of elements for extrusion
Path: 1D mesh or 1D sub-mesh, along which proceeds the extrusion
NodeStart: the start node from Path. Defines the direction of extrusion
- HasAngles: allows the shape to be rotated around the path
- to get the resulting mesh in a helical fashion
- Angles: list of angles in radians
+ HasAngles: not used obsolete
+ Angles: list of angles in radians. Nodes at each extrusion step are rotated
+ around *basePoint*, additionally to previous steps.
LinearVariation: forces the computation of rotation angles as linear
variation of the given Angles along path steps
HasRefPoint: allows using the reference point
PathMesh: mesh containing a 1D sub-mesh on the edge, along which proceeds the extrusion
PathShape: shape (edge) defines the sub-mesh for the path
NodeStart: the first or the last node on the edge. Defines the direction of extrusion
- HasAngles: allows the shape to be rotated around the path
- to get the resulting mesh in a helical fashion
- Angles: list of angles in radians
+ HasAngles: not used obsolete
+ Angles: list of angles in radians. Nodes at each extrusion step are rotated
+ around *basePoint*, additionally to previous steps.
HasRefPoint: allows using the reference point
RefPoint: the reference point around which the shape is rotated (the mass center of the shape by default).
The User can specify any point as the Reference Point.
Example: :ref:`tui_extrusion_along_path`
"""
+ if not IDsOfElements:
+ IDsOfElements = [ self.GetMesh() ]
n,e,f = [],IDsOfElements,IDsOfElements
gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape,
NodeStart, HasAngles, Angles,
PathMesh: mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
PathShape: shape (edge) defines the sub-mesh for the path
NodeStart: the first or the last node on the edge. Defines the direction of extrusion
- HasAngles: allows the shape to be rotated around the path
- to get the resulting mesh in a helical fashion
- Angles: list of angles
+ HasAngles: not used obsolete
+ Angles: list of angles in radians. Nodes at each extrusion step are rotated
+ around *basePoint*, additionally to previous steps.
HasRefPoint: allows using the reference point
RefPoint: the reference point around which the shape is rotated (the mass center of the shape by default).
The User can specify any point as the Reference Point.
PathMesh: mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
PathShape: shape (edge) defines the sub-mesh for the path
NodeStart: the first or the last node on the edge. Defines the direction of extrusion
- HasAngles: allows the shape to be rotated around the path
- to get the resulting mesh in a helical fashion
- Angles: list of angles
+ HasAngles: not used obsolete
+ Angles: list of angles in radians. Nodes at each extrusion step are rotated
+ around *basePoint*, additionally to previous steps.
HasRefPoint: allows using the reference point
RefPoint: the reference point around which the shape is rotated (the mass center of the shape by default).
The User can specify any point as the Reference Point.
PathMesh: mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
PathShape: shape (edge) defines the sub-mesh for the path
NodeStart: the first or the last node on the edge. Defines the direction of extrusion
- HasAngles: allows the shape to be rotated around the path
- to get the resulting mesh in a helical fashion
- Angles: list of angles
+ HasAngles: not used obsolete
+ Angles: list of angles in radians. Nodes at each extrusion step are rotated
+ around *basePoint*, additionally to previous steps.
HasRefPoint: allows using the reference point
RefPoint: the reference point around which the shape is rotated (the mass center of the shape by default).
The User can specify any point as the Reference Point.
Parameters:
Tolerance: the value of tolerance
- SubMeshOrGroup: :class:`sub-mesh, group or filter <SMESH.SMESH_IDSource>`
+ SubMeshOrGroup: list of :class:`sub-meshes, groups or filters <SMESH.SMESH_IDSource>` or of node IDs
exceptNodes: list of either SubMeshes, Groups or node IDs to exclude from search
SeparateCornerAndMediumNodes: if *True*, in quadratic mesh puts
corner and medium nodes in separate groups thus preventing
"""
unRegister = genObjUnRegister()
- if (isinstance( SubMeshOrGroup, Mesh )):
- SubMeshOrGroup = SubMeshOrGroup.GetMesh()
+ if not isinstance( SubMeshOrGroup, list ):
+ SubMeshOrGroup = [ SubMeshOrGroup ]
+ for i,obj in enumerate( SubMeshOrGroup ):
+ if isinstance( obj, Mesh ):
+ SubMeshOrGroup = [ obj.GetMesh() ]
+ break
+ if isinstance( obj, int ):
+ SubMeshOrGroup = [ self.GetIDSource( SubMeshOrGroup, SMESH.NODE )]
+ unRegister.set( SubMeshOrGroup )
+ break
+
if not isinstance( exceptNodes, list ):
exceptNodes = [ exceptNodes ]
if exceptNodes and isinstance( exceptNodes[0], int ):
exceptNodes = [ self.GetIDSource( exceptNodes, SMESH.NODE )]
unRegister.set( exceptNodes )
+
return self.editor.FindCoincidentNodesOnPartBut(SubMeshOrGroup, Tolerance,
exceptNodes, SeparateCornerAndMediumNodes)
Parameters:
GroupsOfNodes: a list of groups of nodes IDs for merging.
E.g. [[1,12,13],[25,4]] means that nodes 12, 13 and 4 will be removed and replaced
- in all elements and groups by nodes 1 and 25 correspondingly
+ in all elements and mesh groups by nodes 1 and 25 correspondingly
NodesToKeep: nodes to keep in the mesh: a list of groups, sub-meshes or node IDs.
If *NodesToKeep* does not include a node to keep for some group to merge,
then the first node in the group is kept.
AvoidMakingHoles: prevent merging nodes which cause removal of elements becoming
invalid
"""
- # NodesToKeep are converted to SMESH.SMESH_IDSource in meshEditor.MergeNodes()
self.editor.MergeNodes( GroupsOfNodes, NodesToKeep, AvoidMakingHoles )
- def FindEqualElements (self, MeshOrSubMeshOrGroup=None):
+ def FindEqualElements (self, MeshOrSubMeshOrGroup=None, exceptElements=[]):
"""
Find the elements built on the same nodes.
Parameters:
- MeshOrSubMeshOrGroup: :class:`mesh, sub-mesh, group or filter <SMESH.SMESH_IDSource>`
+ MeshOrSubMeshOrGroup: :class:`mesh, sub-meshes, groups or filters <SMESH.SMESH_IDSource>` or element IDs to check for equal elements
+ exceptElements: list of either SubMeshes, Groups or elements IDs to exclude from search
+
Returns:
the list of groups of equal elements IDs (e.g. [[1,12,13],[4,25]])
"""
- if not MeshOrSubMeshOrGroup:
- MeshOrSubMeshOrGroup=self.mesh
+ unRegister = genObjUnRegister()
+ if MeshOrSubMeshOrGroup is None:
+ MeshOrSubMeshOrGroup = [ self.mesh ]
elif isinstance( MeshOrSubMeshOrGroup, Mesh ):
- MeshOrSubMeshOrGroup = MeshOrSubMeshOrGroup.GetMesh()
- return self.editor.FindEqualElements( MeshOrSubMeshOrGroup )
-
- def MergeElements(self, GroupsOfElementsID):
+ MeshOrSubMeshOrGroup = [ MeshOrSubMeshOrGroup.GetMesh() ]
+ elif not isinstance( MeshOrSubMeshOrGroup, list ):
+ MeshOrSubMeshOrGroup = [ MeshOrSubMeshOrGroup ]
+ if isinstance( MeshOrSubMeshOrGroup[0], int ):
+ MeshOrSubMeshOrGroup = [ self.GetIDSource( MeshOrSubMeshOrGroup, SMESH.ALL )]
+ unRegister.set( MeshOrSubMeshOrGroup )
+ for item in MeshOrSubMeshOrGroup:
+ if isinstance( item, Mesh ):
+ MeshOrSubMeshOrGroup = [ item.GetMesh() ]
+
+ if not isinstance( exceptElements, list ):
+ exceptElements = [ exceptElements ]
+ if exceptElements and isinstance( exceptElements[0], int ):
+ exceptElements = [ self.GetIDSource( exceptElements, SMESH.ALL )]
+ unRegister.set( exceptElements )
+
+ return self.editor.FindEqualElements( MeshOrSubMeshOrGroup, exceptElements )
+
+ def MergeElements(self, GroupsOfElementsID, ElementsToKeep=[]):
"""
Merge elements in each given group.
Parameters:
GroupsOfElementsID: a list of groups (lists) of elements IDs for merging
(e.g. [[1,12,13],[25,4]] means that elements 12, 13 and 4 will be removed and
- replaced in all groups by elements 1 and 25)
+ replaced in all mesh groups by elements 1 and 25)
+ ElementsToKeep: elements to keep in the mesh: a list of groups, sub-meshes or node IDs.
+ If *ElementsToKeep* does not include an element to keep for some group to merge,
+ then the first element in the group is kept.
"""
- self.editor.MergeElements(GroupsOfElementsID)
+ unRegister = genObjUnRegister()
+ if ElementsToKeep:
+ if not isinstance( ElementsToKeep, list ):
+ ElementsToKeep = [ ElementsToKeep ]
+ if isinstance( ElementsToKeep[0], int ):
+ ElementsToKeep = [ self.GetIDSource( ElementsToKeep, SMESH.ALL )]
+ unRegister.set( ElementsToKeep )
+
+ self.editor.MergeElements( GroupsOfElementsID, ElementsToKeep )
def MergeEqualElements(self):
"""
Fill with 2D elements a hole defined by a SMESH.FreeBorder.
Parameters:
- FreeBorder: either a SMESH.FreeBorder or a list on node IDs. These nodes
+ holeNodes: either a SMESH.FreeBorder or a list on node IDs. These nodes
must describe all sequential nodes of the hole border. The first and the last
nodes must be the same. Use :meth:`FindFreeBorders` to get nodes of holes.
groupName (string): name of a group to add new faces
Returns:
- a :class:`group <SMESH.SMESH_GroupBase>` containing the new faces; or :code:`None` if :option:`groupName` == ""
+ a :class:`group <SMESH.SMESH_GroupBase>` containing the new faces; or :code:`None` if `groupName` == ""
"""
def MakePolyLine(self, segments, groupName='', isPreview=False ):
"""
Create a polyline consisting of 1D mesh elements each lying on a 2D element of
- the initial mesh. Positions of new nodes are found by cutting the mesh by the
+ the initial triangle mesh. Positions of new nodes are found by cutting the mesh by the
plane passing through pairs of points specified by each :class:`SMESH.PolySegment` structure.
If there are several paths connecting a pair of points, the shortest path is
selected by the module. Position of the cutting plane is defined by the two
The vector goes from the middle point to the projection point. In case of planar
mesh, the vector is normal to the mesh.
- *segments* [i].vector returns the used vector which goes from the middle point to its projection.
+ In preview mode, *segments* [i].vector returns the used vector which goes from the middle point to its projection.
- Parameters:
+ Parameters:
segments: list of :class:`SMESH.PolySegment` defining positions of cutting planes.
groupName: optional name of a group where created mesh segments will be added.
-
+
"""
editor = self.editor
if isPreview:
segments[i].vector = seg.vector
if isPreview:
return editor.GetPreviewData()
- return None
+ return None
+
+ def MakeSlot(self, segmentGroup, width ):
+ """
+ Create a slot of given width around given 1D elements lying on a triangle mesh.
+ The slot is consrtucted by cutting faces by cylindrical surfaces made
+ around each segment. Segments are expected to be created by MakePolyLine().
+
+ Returns:
+ FaceEdge's located at the slot boundary
+ """
+ return self.editor.MakeSlot( segmentGroup, width )
def GetFunctor(self, funcType ):
"""
def GetLength(self, elemId=None):
"""
- Get length of 1D element or sum of lengths of all 1D mesh elements
+ Get length of given 1D elements or of all 1D mesh elements
Parameters:
- elemId: mesh element ID (if not defined - sum of length of all 1D elements will be calculated)
+ elemId: either a mesh element ID or a list of IDs or :class:`sub-mesh, group or filter <SMESH.SMESH_IDSource>`. By default sum length of all 1D elements will be calculated.
Returns:
- element's length value if *elemId* is specified or sum of all 1D mesh elements' lengths otherwise
+ Sum of lengths of given elements
"""
length = 0
if elemId == None:
length = self.smeshpyD.GetLength(self)
+ elif isinstance(elemId, SMESH._objref_SMESH_IDSource):
+ length = self.smeshpyD.GetLength(elemId)
+ elif elemId == []:
+ length = 0
+ elif isinstance(elemId, list) and isinstance(elemId[0], SMESH._objref_SMESH_IDSource):
+ for obj in elemId:
+ length += self.smeshpyD.GetLength(obj)
+ elif isinstance(elemId, list) and isinstance(elemId[0], int):
+ unRegister = genObjUnRegister()
+ obj = self.GetIDSource( elemId )
+ unRegister.set( obj )
+ length = self.smeshpyD.GetLength( obj )
else:
length = self.FunctorValue(SMESH.FT_Length, elemId)
return length
def GetArea(self, elemId=None):
"""
- Get area of 2D element or sum of areas of all 2D mesh elements
- elemId mesh element ID (if not defined - sum of areas of all 2D elements will be calculated)
+ Get area of given 2D elements or of all 2D mesh elements
+
+ Parameters:
+ elemId: either a mesh element ID or a list of IDs or :class:`sub-mesh, group or filter <SMESH.SMESH_IDSource>`. By default sum area of all 2D elements will be calculated.
Returns:
- element's area value if *elemId* is specified or sum of all 2D mesh elements' areas otherwise
+ Area of given element's if *elemId* is specified or sum of all 2D mesh elements' areas otherwise
"""
area = 0
if elemId == None:
area = self.smeshpyD.GetArea(self)
+ elif isinstance(elemId, SMESH._objref_SMESH_IDSource):
+ area = self.smeshpyD.GetArea(elemId)
+ elif elemId == []:
+ area = 0
+ elif isinstance(elemId, list) and isinstance(elemId[0], SMESH._objref_SMESH_IDSource):
+ for obj in elemId:
+ area += self.smeshpyD.GetArea(obj)
+ elif isinstance(elemId, list) and isinstance(elemId[0], int):
+ unRegister = genObjUnRegister()
+ obj = self.GetIDSource( elemId )
+ unRegister.set( obj )
+ area = self.smeshpyD.GetArea( obj )
else:
area = self.FunctorValue(SMESH.FT_Area, elemId)
return area
def GetVolume(self, elemId=None):
"""
- Get volume of 3D element or sum of volumes of all 3D mesh elements
+ Get volume of given 3D elements or of all 3D mesh elements
Parameters:
- elemId: mesh element ID (if not defined - sum of volumes of all 3D elements will be calculated)
+ elemId: either a mesh element ID or a list of IDs or :class:`sub-mesh, group or filter <SMESH.SMESH_IDSource>`. By default sum volume of all 3D elements will be calculated.
Returns:
- element's volume value if *elemId* is specified or sum of all 3D mesh elements' volumes otherwise
+ Sum element's volume value if *elemId* is specified or sum of all 3D mesh elements' volumes otherwise
"""
volume = 0
if elemId == None:
- volume = self.smeshpyD.GetVolume(self)
+ volume= self.smeshpyD.GetVolume(self)
+ elif isinstance(elemId, SMESH._objref_SMESH_IDSource):
+ volume= self.smeshpyD.GetVolume(elemId)
+ elif elemId == []:
+ volume = 0
+ elif isinstance(elemId, list) and isinstance(elemId[0], SMESH._objref_SMESH_IDSource):
+ for obj in elemId:
+ volume+= self.smeshpyD.GetVolume(obj)
+ elif isinstance(elemId, list) and isinstance(elemId[0], int):
+ unRegister = genObjUnRegister()
+ obj = self.GetIDSource( elemId )
+ unRegister.set( obj )
+ volume= self.smeshpyD.GetVolume( obj )
else:
volume = self.FunctorValue(SMESH.FT_Volume3D, elemId)
return volume
+ def GetAngle(self, node1, node2, node3 ):
+ """
+ Computes a radian measure of an angle defined by 3 nodes: <(node1,node2,node3)
+
+ Parameters:
+ node1,node2,node3: IDs of the three nodes
+
+ Returns:
+ Angle in radians [0,PI]. -1 if failure case.
+ """
+ p1 = self.GetNodeXYZ( node1 )
+ p2 = self.GetNodeXYZ( node2 )
+ p3 = self.GetNodeXYZ( node3 )
+ if p1 and p2 and p3:
+ return self.smeshpyD.GetAngle( p1,p2,p3 )
+ return -1.
+
+
def GetMaxElementLength(self, elemId):
"""
Get maximum element length.
def ExportToMED(self, *args): # function removed
print("WARNING: ExportToMED() is deprecated, use ExportMED() instead")
#args = [i for i in args if i not in [SMESH.MED_V2_1, SMESH.MED_V2_2]]
- while len(args) < 4: # !!!! nb of parameters for ExportToMED IDL's method
- args.append(True)
- SMESH._objref_SMESH_Mesh.ExportMED(self, *args)
+ args2 = list(args)
+ while len(args2) < 5: # !!!! nb of parameters for ExportToMED IDL's method
+ args2.append(True)
+ SMESH._objref_SMESH_Mesh.ExportMED(self, *args2)
def ExportPartToMED(self, *args): # 'version' parameter removed
#args = [i for i in args if i not in [SMESH.MED_V2_1, SMESH.MED_V2_2]]
SMESH._objref_SMESH_Mesh.ExportPartToMED(self, *args)
def ExportMED(self, *args): # signature of method changed
#args = [i for i in args if i not in [SMESH.MED_V2_1, SMESH.MED_V2_2]]
- while len(args) < 4: # !!!! nb of parameters for ExportToMED IDL's method
- args.append(True)
- SMESH._objref_SMESH_Mesh.ExportMED(self, *args)
+ args2 = list(args)
+ while len(args2) < 5: # !!!! nb of parameters for ExportToMED IDL's method
+ args2.append(True)
+ SMESH._objref_SMESH_Mesh.ExportMED(self, *args2)
pass
omniORB.registerObjref(SMESH._objref_SMESH_Mesh._NP_RepositoryId, meshProxy)
